1.
Find the solution of 72 +
z
= 84 if the value of
z
can be selected from the set {4, 8, 12, 16}.
A.
8
B.
16
C.
12
D.
4
Hint
2.
Which value for
b
makes the inequality
true?
A.
5
B.
6
C.
7
D.
none of these
Hint
3.
Use the flowchart to backtrack and find the solution.
A.
4
B.
213
C.
D.
3
Hint
4.
Use the flowchart to write an equation.
A.
B.
C.
D.
5(
n
+ 13) – 9 × 3 = 19
Hint
5.
Find a solution to the equation using guess-check-and-improve.
8
b
+ 17 = 41
A.
b
= 3
B.
b
= 17
C.
b
= 1
D.
b
= 18
Hint
6.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
n
+ 5 = 3(
n
- 2)
A.
n
= 9
B.
n
= 8.5
C.
n
= 2
D.
n
= 5.5
Hint